Hartmut Michel
31Patents
10h-index
38Co-inventors
75Inventor score
Filing activity: Jul 23, 1974 → Oct 17, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6708757B2 | Heat sink module and an arrangment of heat sink modules | Emerging Cross-Sectional Technologies | 29 | Expired |
| US7139162B2 | Electrode and method for the production thereof | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6597556B1 | Circuit for protection from excess temperature | Electricity | 27 | Expired |
| US5841312A | Gating circuit having current measuring and regulating elements and a temperature measuring transistor | Electricity | 26 | Expired |
| US6262360A | Electric capacitor | Electricity | 25 | Expired |
| US6028470A | Integrated circuit for current control of a power transistor | Electricity | 22 | Expired |
| US6885545B2 | Capacitor electrodes | Emerging Cross-Sectional Technologies | 19 | Expired |
| US3949722A | Semiconductor controlled ignition systems for internal combustion engines | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US4916494A | Monolithic integrated planar semiconductor system and process for making the same | Electricity | 11 | Expired |
| US4755694A | Integrated circuit Darlington transistor power stage incorporating various circuit components integrated on the same substrate | Electricity | 10 | Expired |
| US6876539B2 | Method for producing a composite electrode for electrochemical components, and a composite electrode | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4695867A | Monolithically integrated planar semiconductor arrangement | Electricity | 6 | Expired |
| US7440257B2 | Double-layer capacitor, use of the same, and method for increasing the maximum charges of double-layer capacitor electrodes | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4539492A | Darlington transistor circuit | Electricity | 5 | Expired |
| US4886985A | Transistor arrangement with an output transistor | Electricity | 4 | Expired |
| US5561588A | Electrical capacitor, particularly an electrolyte capacitor | Electricity | 4 | Expired |
| US5466959A | Semiconductor device for influencing the breakdown voltage of transistors | Electricity | 4 | Expired |
| US5424671A | Power output stage having a darlington-pair circuit for switching an inductive load, especially the ignition coil of an internal-combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5497957A | Process and device for homogenizing the winding hardness of a roll profile of a film reel | Performing Operations; Transporting | 3 | Expired |
| US4622620A | Electric capacitor with polyethylene terephthalate as a dielectric for use as a solderable chip component | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6456108B1 | Input circuit for an output stage | Electricity | 2 | Expired |
| US7044428B2 | Mounting system comprising a mounting device | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5418411A | Voltage limiter for transistor circuit | Electricity | 2 | Expired |
| US6137124A | Integrated vertical semiconductor component | Electricity | 2 | Expired |
| US6740351B2 | Method for production of a regular multi-layer construction, in particular for electrical double layer capacitors and the corresponding device | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.